331728816376 has 8 divisors (see below), whose sum is σ = 621991530720. Its totient is φ = 165864408184.

The previous prime is 331728816361. The next prime is 331728816383. The reversal of 331728816376 is 673618827133.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×331728816376² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20733051016 + ... + 20733051031.

It is an arithmetic number, because the mean of its divisors is an integer number (77748941340).

Almost surely, 2^331728816376 is an apocalyptic number.

It is an amenable number.

331728816376 is a deficient number, since it is larger than the sum of its proper divisors (290262714344).

331728816376 is a wasteful number, since it uses less digits than its factorization.

331728816376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41466102053 (or 41466102049 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 55.

The spelling of 331728816376 in words is "three hundred thirty-one billion, seven hundred twenty-eight million, eight hundred sixteen thousand, three hundred seventy-six".